Independent photoelectric smoke-sensing fire detection alarm

Abstract

The utility model discloses an independent photoelectric smoke-sensing fire detection alarm, which relates to the technical field of alarms and comprises an upper shell and a lower shell, a smoke and fire detector and a smoke and fire alarm are fixedly arranged at the top of the upper shell, and a second annular sealing strip is attached to the outer walls of the upper shell and the lower shell. Through the arrangement of the first annular sealing strip and the second sealing strip, the upper shell body is placed on the top of the lower shell body, the upper shell body and the lower shell body are connected and installed through the connecting mechanism, and the first annular sealing strip and the second annular sealing strip have certain elasticity; a user pulls two first annular sealing strips and enables the two first annular sealing strips to be arranged in two annular insertion grooves in a sleeved mode, then a second annular sealing strip can be smoothly attached to the connecting position of the upper shell and the lower shell, and then the sealing and dustproof effects of the alarm can be improved. Dust can be effectively prevented from entering the alarm and causing abnormity of the alarm.

Description

Technical Field

[0001] The utility model relates to the technical field of alarms, in particular to an independent photoelectric smoke fire detection alarm. Background Art

[0002] Smoke is the first physical phenomenon produced when a fire occurs. The use of smoke fire detection alarms can detect the occurrence of fire at the earliest, quickly sound an alarm and quickly respond to smoke particles produced by combustion and pyrolysis suspended in the surrounding atmosphere. Therefore, smoke fire detection alarms are currently widely used in hotels, restaurants, and entertainment venues.

[0003] After searching, a photoelectric smoke fire detection alarm with a publication number of CN212718866U is found, which comprises a mounting seat, a housing is connected to the middle of the lower end of the mounting seat, arc plates are symmetrically connected to the two sides of the shell, a clamping block is connected to the lower part of the arc plate, a connecting ring is connected to the inner side of the arc plate, a photoelectric smoke detector body is connected to the lower end of the connecting ring, and slots are provided at the two sides of the upper part of the connecting ring corresponding to the two clamping blocks, and a limiting ring is connected to the upper end of the photoelectric smoke detector body relative to the outer side of the connecting ring;

[0004] The patent document with publication number CN111508189A discloses an independent photoelectric smoke fire detection alarm, including a shell and a control module. The shell is a cylinder, a detector is provided on the upper part of the shell, a breathable net is provided on the outside of the detector, an emergency light is provided on the X-axis direction of the detector, an alarm is provided on the Y-axis direction of the detector, a plurality of water spray outlets are provided on the outer side of the shell, a battery slot is provided at the center of the bottom of the shell, a plurality of clamping rings are provided on the outer side of the bottom of the shell, a water inlet is provided at the bottom of the shell, and the detector and the alarm are both connected to the control module.

[0005] However, although the existing photoelectric smoke fire detection alarm can monitor and alarm the fire when in use, the dustproof effect of the alarm is poor. After long-term use, external dust will enter the alarm from the connection between the mounting base and the shell, which may cause the alarm to malfunction and be inconvenient for users. Utility Model Content

[0006] In view of the above problems existing in the existing photoelectric smoke fire detection alarm, the present utility model is proposed.

[0007] Therefore, the purpose of the utility model is to provide an independent photoelectric smoke fire detection alarm, which solves the problem that although it can monitor and alarm the fire, the dustproof effect of the alarm is poor. After long-term use, external dust will enter the alarm from the connection between the mounting base and the shell, which may cause the alarm to malfunction and be inconvenient for users.

[0008] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0009] An independent photoelectric smoke fire detection alarm comprises an upper shell and a lower shell. The upper shell is fitted on the top of the lower shell. A smoke detector and a smoke alarm are fixedly arranged on the top of the upper shell. The side walls of the upper shell and the lower shell are provided with annular slots. A first annular sealing strip is inserted into the inside of each annular slot. A second annular sealing strip is fixedly arranged on the outer walls of the two first annular sealing strips. The second annular sealing strip is fitted on the outer walls of the upper shell and the lower shell. The two first annular sealing strips and the second annular sealing strip are both elastic strips. A connecting mechanism is commonly arranged on the outside of the upper shell and the lower shell.

[0010] Preferably, the connecting mechanism includes multiple mounting plates, two arc-shaped connecting frames and multiple first bolts, the multiple mounting plates are respectively fixedly arranged on the outer walls of the upper shell and the lower shell, the two ends of the two arc-shaped connecting frames are respectively fixedly connected to the corresponding mounting plates, the multiple first bolts are respectively movably sleeved on the inside of the corresponding mounting plates, and the other ends of the multiple first bolts are respectively threadedly sleeved on the inside of the upper shell and the lower shell.

[0011] Preferably, a button battery and a control module are fixedly mounted on the inner wall of the upper shell, the smoke detector and the smoke alarm are electrically connected to the control module, and the smoke detector, the smoke alarm and the control module are electrically connected to the button battery.

[0012] Preferably, two heat dissipation ports are provided on the upper side wall of the upper shell, a dustproof net is fitted above each of the heat dissipation ports, two second bolts are movably sleeved inside each of the dustproof nets, and the other end of each of the second bolts is threadedly sleeved inside the upper shell.

[0013] Preferably, a water collecting box is fixedly provided at the bottom of the lower shell, a plurality of water spraying pipes are fixedly sleeved inside the lower part of the water collecting box, and a solenoid valve is rotatably provided on the side wall of each of the water spraying pipes.

[0014] Preferably, a T-shaped plate is fixedly provided on the top of the upper shell, and two threaded mounting holes are provided inside the T-shaped plate.

[0015] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0016] 1. The utility model places the upper shell on the top of the lower shell by setting two first annular sealing strips and a second sealing strip, and connects and installs the upper shell and the lower shell through a connecting mechanism. The first annular sealing strip and the second annular sealing strip have a certain elasticity. The user pulls the two first annular sealing strips and makes the two first annular sealing strips sleeved inside the two annular slots, so that the second annular sealing strip can smoothly fit at the connection between the upper shell and the lower shell, thereby improving the sealing and dustproof effect of the alarm, and effectively preventing dust from entering the interior of the alarm and causing the alarm to malfunction.

[0017] 2. The utility model sets up a connecting mechanism, which includes multiple mounting plates, two arc-shaped connecting frames and multiple first bolts. By screwing the multiple first bolts and making one end of the multiple first bolts threadedly sleeved on the interior of the upper shell and the lower shell, the upper shell and the lower shell can be connected and installed, ensuring that the alarm can be used stably.

[0018] 3. The utility model, through the button battery and control module, electrically connects the smoke detector and the smoke alarm to the control module, and electrically connects the smoke detector, the smoke alarm and the control module to the button battery, thereby enabling the smooth use of the smoke detector and the smoke alarm. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is the front view of the utility model;

[0021] Figure 2 For the utility model Figure 1 A schematic cross-sectional structure diagram of ;

[0022] Figure 3 For the utility model Figure 2 A magnified view of part A;

[0023] Figure 4 For the utility model Figure 3 A schematic diagram of the top view of the connection structure of the second annular sealing strip.

[0024] Description of reference numerals:

[0025] 1. Upper shell; 2. Lower shell; 3. Smoke detector; 4. Smoke alarm; 5. First annular sealing strip; 6. Second annular sealing strip; 7. Mounting plate; 8. Arc-shaped connecting frame; 9. First bolt; 10. Button battery; 11. Control module; 12. Heat dissipation port; 13. Dustproof net; 14. Second bolt; 15. Water collecting box; 16. Spray pipe; 17. T-shaped plate; 18. Threaded mounting hole. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0027] The utility model embodiment discloses an independent photoelectric smoke fire detection alarm.

[0028] Embodiment 1

[0029] The utility model provides Figure 1-4 The independent photoelectric smoke fire detection alarm shown includes an upper shell 1 and a lower shell 2. The upper shell 1 is fitted on the top of the lower shell 2. A smoke detector 3 and a smoke alarm 4 are fixedly arranged on the top of the upper shell 1. The side walls of the upper shell 1 and the lower shell 2 are both provided with annular slots. A first annular sealing strip 5 is inserted into the interior of each annular slot. The outer walls of the two first annular sealing strips 5 are jointly fixed with a second annular sealing strip 6. The second annular sealing strip 6 is fitted on the outer walls of the upper shell 1 and the lower shell 2. The two first annular sealing strips 5 and the second annular sealing strips 6 are elastic strips. A connecting mechanism is jointly arranged on the outside of the upper shell 1 and the lower shell 2. By using the two first annular sealing strips 5 and the second annular sealing strips 6, according to the detector and alarm disclosed in the patent document with publication number CN111508189A, the second annular sealing strip 6 can be smoothly fitted at the connection between the upper shell 1 and the lower shell 2, thereby improving the sealing and dustproof effect of the alarm, and effectively preventing dust from entering the interior of the alarm and causing abnormalities in the alarm.

[0030] In order to connect and install the upper shell 1 and the lower shell 2 to ensure that the alarm can be used stably, Figure 1-3 As shown, the connecting mechanism includes a plurality of mounting plates 7, two arc-shaped connecting frames 8 and a plurality of first bolts 9. The plurality of mounting plates 7 are respectively fixedly arranged on the outer walls of the upper shell 1 and the lower shell 2. The two ends of the two arc-shaped connecting frames 8 are respectively fixedly connected to the corresponding mounting plates 7. The plurality of first bolts 9 are respectively movably sleeved on the inside of the corresponding mounting plates 7. The other ends of the plurality of first bolts 9 are respectively threadedly sleeved on the inside of the upper shell 1 and the lower shell 2. By utilizing the provided connecting mechanism, the upper shell 1 and the lower shell 2 can be connected and installed to ensure that the alarm can be used stably.

[0031] Embodiment 2

[0032] On the basis of the first embodiment, in order to realize the smooth use of the smoke detector 3 and the smoke alarm 4, as shown in FIG. Figure 1-3 As shown, a button battery 10 and a control module 11 are fixedly arranged on the inner wall of the upper shell 1, and the smoke detector 3 and the smoke alarm 4 are electrically connected to the control module 11. The smoke detector 3, the smoke alarm 4 and the control module 11 are all electrically connected to the button battery 10. By utilizing the set button battery 10 and the control module 11, the smoke detector 3 and the smoke alarm 4 can be used smoothly.

[0033] Embodiment 3

[0034] On the basis of the first embodiment, in order to dissipate heat for the alarm and prevent external dust from entering the alarm, Figure 1-3 As shown, two heat dissipation ports 12 are provided on the upper side wall of the upper shell 1, and a dustproof net 13 is fitted above each heat dissipation port 12. Two second bolts 14 are movably sleeved inside each dustproof net 13, and the other end of each second bolt 14 is threadedly sleeved inside the upper shell 1. By utilizing the heat dissipation ports 12 and the second bolts 14, the alarm can be cooled and external dust can be prevented from entering the alarm.

[0035] In order to put out the fire in time, Figure 1-3 As shown, a water collecting box 15 is fixedly provided at the bottom of the lower shell 2, and a plurality of water spraying pipes 16 are fixedly sleeved inside the lower part of the water collecting box 15. A solenoid valve is rotatably provided on the side wall of each water spraying pipe 16. The plurality of water spraying pipes 16 can be used to timely extinguish the fire source.

[0036] Finally, in order to be able to install the alarm with the help of screws, such as Figure 1-3 As shown, a T-shaped plate 17 is fixedly provided on the top of the upper shell 1, and two threaded mounting holes 18 are provided inside the T-shaped plate 17. The alarm can be installed with the help of screws by utilizing the two threaded mounting holes 18.

[0037] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An independent photoelectric smoke fire detection alarm, comprising an upper housing (1) and a lower housing (2), characterized in that: The upper shell (1) is arranged in close contact with the top of the lower shell (2); a smoke detector (3) and a smoke alarm (4) are fixedly arranged on the top of the upper shell (1); the side walls of the upper shell (1) and the lower shell (2) are both provided with annular slots; a first annular sealing strip (5) is inserted into the interior of each annular slot; a second annular sealing strip (6) is fixedly arranged on the outer walls of the two first annular sealing strips (5); the second annular sealing strip (6) is arranged in close contact with the outer walls of the upper shell (1) and the lower shell (2); the two first annular sealing strips (5) and the second annular sealing strip (6) are both elastic strips; and a connecting mechanism is commonly arranged on the outside of the upper shell (1) and the lower shell (2).

2. The independent photoelectric smoke fire detection alarm according to claim 1 is characterized in that: The connection mechanism comprises a plurality of mounting plates (7), two arc-shaped connecting frames (8) and a plurality of first bolts (9); the plurality of mounting plates (7) are respectively fixedly arranged on the outer walls of the upper shell (1) and the lower shell (2); the two ends of the two arc-shaped connecting frames (8) are respectively fixedly connected to the corresponding mounting plates (7); the plurality of first bolts (9) are respectively movably sleeved inside the corresponding mounting plates (7); and the other ends of the plurality of first bolts (9) are respectively threadedly sleeved inside the upper shell (1) and the lower shell (2).

3. The independent photoelectric smoke fire detection alarm according to claim 1 is characterized in that: A button battery (10) and a control module (11) are fixedly arranged on the inner wall of the upper shell (1); the smoke detector (3) and the smoke alarm (4) are both electrically connected to the control module (11); and the smoke detector (3), the smoke alarm (4) and the control module (11) are all electrically connected to the button battery (10).

4. The independent photoelectric smoke fire detection alarm according to claim 1, characterized in that: The upper side wall of the upper shell (1) is provided with two heat dissipation openings (12), and a dustproof net (13) is fitted above each of the heat dissipation openings (12). Two second bolts (14) are movably sleeved inside each of the dustproof nets (13), and the other end of each of the second bolts (14) is threadedly sleeved inside the upper shell (1).

5. The independent photoelectric smoke fire detection alarm according to claim 1, characterized in that: A water collecting box (15) is fixedly arranged at the bottom of the lower shell (2), and a plurality of water spraying pipes (16) are fixedly sleeved inside the lower part of the water collecting box (15), and a solenoid valve is rotatably arranged on the side wall of each water spraying pipe (16).

6. The independent photoelectric smoke fire detection alarm according to claim 1, characterized in that: A T-shaped plate (17) is fixedly arranged on the top of the upper shell (1), and two threaded mounting holes (18) are provided inside the T-shaped plate (17).

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